Drøbak Aquarium was founded in 1995 and is one of Drøbak's greatest tourist attractions. The aquarium contains most underwater species that live in the Oslo fjord, the fjord with the highest number of species in Norway. 100 different kinds organisms live here in aquaria that contain the clean water of the fjord. The size of the aquarium is about 150m2, divided into four departments; it is also constantly growing. Guided tours can be arranged (also in English) for a maximum of 20 people, and last about one hour.
